Element: Magnesium (Mg)

Element (Atom) NameMagnesium
SymbolMg
Physical state at room temperatureSolid
Element ClassificationMetal
Group NameAlkaline Earth Metal
Period Number (Periodic table) 3
Group number (Periodic table)3
Atomic number12
Atomic Weight24.305 (Ref: Jlab-ele012, science.co.il)
24.31 (Ref: Lanl-12)
[24.304, 24.307] (ref: Ciaaw-magnesium, Nist-12)
Atomic Radius173 pm (Van der Waals) (Ref: Lanl-12)
Density1.74 g/cm3 (Ref: Jlab-ele012)
Melting point650°C (Ref: Jlab-ele012, Lanl-12)
Boiling point1090°C (Ref: Jlab-ele012)
1091 °C (Ref: Lanl-12)
Electron shell configuration1s2 
2s2 2p6 
3s2
Oxidation States+2 (Ref: Jlab-ele012)
+2, +1 (a strongly basic oxide) (Ref: Lanl-12)
Ionization Energy7.646 eV (Ref: Jlab-ele012)
7.646236 eV (Ref: Nist-12)
Number of Stable Isotopes3
InChI1S/Mg (Ref: Pubchem-12)
InChI KeyFYYHWMGAXLPEAU-UHFFFAOYSA-N (Ref: Pubchem-12)

REFERENCES

  • Jlab-ele012: https://education.jlab.org/itselemental/ele012.html
  • Lanl-12: https://periodic.lanl.gov/12.shtml
  • Ciaaw-magnesium : https://www.ciaaw.org/magnesium.htm
  • Nist-12 : https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=12
  • Pubchem-12: https://pubchem.ncbi.nlm.nih.gov/element/12
  • science.co.il: https://www.science.co.il/elements/

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